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Finding the Fourth Proportional to 174,807.62, 262,211.58 and 74,903

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Solution

The fourth proportional to 174,807.62, 262,211.58 and 74,903 is: 112,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,807.62 : 262,211.58 = 74,903 : x
  2. Step 2: Convert to fraction form
    174,807.62/262,211.58 = 74,903/x
  3. Step 3: Cross multiply
    174,807.62x = 262,211.58 × 74,903
  4. Step 4: Simplify right side
    174,807.62x = 19,640,433,976.74
  5. Step 5: Solve for x
    x = 19,640,433,976.74/174,807.62
  6. Step 6: Final answer
    x = 112,354.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.